172708991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{26731}}^1$

素因数の和:26822

約数の個数: 16

約数和(自身を含む): 215566848

約数和(自身を除く): 42857857

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 26731, 187117, 347503, 1897901, 2432521, 13285307, 24672713, 172708991]

約数ペア:

[(1, 172708991), (7, 24672713), (13, 13285307), (71, 2432521), (91, 1897901), (497, 347503), (923, 187117), (6461, 26731)]